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Current system
20282+2901
ES 504 AB
HD 334487


Nearby doubles
14' : 20290+2852
TDT2317

17' : 20270+2902
TDT2283

22' : 20266+2858
TDT2275

23' : 20287+2924
MLB 532

30' : 20261+2910
MLB 479

32' : 20297+2837
MLB1088

38' : 20266+2831
TDT2276

39' : 20264+2832
TDT2269

40' : 20312+2855
ES 506

43' : 20281+2819
MLB 662

44' : 20273+2820
MLB 774AB

48' : 20307+2826
GRV 347

52' : 20320+2915
GRV 349

53' : 20316+2929
MLB 571

54' : 20242+2900
BU 443AB

56' : 20244+2923
HO 457AB

57' : 20291+2956
AG 406

59' : 20327+2903
ARY 47AB

59' : 20276+2803
AG 405

61' : 20268+2804
A 393

62' : 20284+2800
TDT2311

64' : 20331+2852
ES 507AB

65' : 20240+2935
TDT2237

65' : 20325+2934
TDT2347

67' : 20284+3007
OL 75

67' : 20241+2823
AG 404



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20282+2901 ES 504 AB (HD 334487)

 
 
20h 28m 15.33s +29° 01' 24.0" P.A. 87.00 sep 5.9 mag 11.10,12.10 Sp F5
 
 
Coord 2000 20282+2901 Discov num ES  504 Comp AB Coord arcsec 2000 20 28 15.33 +29 01 24.0
Date first 1907 Date last 2015 Obs 9
Pa first 87 Pa last 87.4 P.A. Now (θ) 87.4°
Sep first 6.0 Sep last 5.899 Sep. Now (ρ) 5.899"
Mag pri 11.10 Mag sec 12.10 delta mag (ΔM) 1 Spectral class F5 (yellow-white)
Pri motion ra +000 Sec motion ra +031
Pri motion dec -001 Sec motion dec -003
Notes
rPM=0.997
This double is not physical.
 
 
20282+2901 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 28 15 +29 01 24 TDT 2308 Aa,Ab 1991 1 343 0.6 11.78 11.84 0.06
Show HD 334487 20 28 15 +29 01 24 ES 504 AB 2015 9 87 5.9 11.10 12.10 1.00 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 334487 Constellation Vulpecula Tycho2 2168-00889-1 Gaia DR2 1860257503927256448
HD 334487
 
 
WDS 20282+2901 ES 504 AB (HD 334487) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Es_1901 Mb - Espin, T.E. 1901AN....155..321E
Es_1901 AN 155, 321, 1901 (ES 1 - 39)
Es_1902a Ma - Espin, T.E. 1902AN....158..241E
Es_1902a +Mb AN 158, 241, 1902 (ES 40 - 112)
Es_1902b Mb - Espin, T.E. 1902MNRAS..62..528E
Es_1902b MNRAS 62, 528, 1902
Es_1902c Mb j Espin, T.E. 1902MNRAS..62..402E
Es_1902c MNRAS 62, 402, 1902
Es_1903 Mb - Espin, T.E. 1903MNRAS..63..172E
Es_1903 MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a - Espin, T.E. 1904MNRAS..64..238E
Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E
Es_1904b Mb - Espin, T.E. 1904MNRAS..64..675E
Es_1904b MNRAS 64, 675, 1904
Es_1905 Mb - Espin, T.E. 1905MNRAS..65..710E
Es_1905 MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a Mb - Espin, T.E. 1906MNRAS..66..141E
Es_1906a MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b Mb - Espin, T.E. 1906MNRAS..66..430E
Es_1906b MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C Mb - Espin, T.E. 1906QB821.B972.....
Es_1906C cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D Mb - Espin, T.E. 1906MmRAS..56....1L
Es_1906D cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a Mb j Espin, T.E. 1907MNRAS..67..190E
Es_1907a MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b Mb - Espin, T.E. 1907MNRAS..67..495E
Es_1907b MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a Mb j Espin, T.E. 1908MNRAS..68..202E
Es_1908a MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b Mb - Espin, T.E. 1908MNRAS..68..523E
Es_1908b MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c - Espin, T.E. 1908JRASC...2..248E
Es_1908c JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909) 1909MNRAS..69..218E
Es_1909a Mb j Espin, T.E. 1909MNRAS..69..218E
Es_1909a MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b Mb j Espin, T.E. 1909MNRAS..69..604E
Es_1909b MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a Mb - Espin, T.E. 1910MNRAS..70..237E
Es_1910a MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b Mb - Espin, T.E. 1910MNRAS..70..541E
Es_1910b MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911 Mb - Espin, T.E. 1911MNRAS..71..217E
Es_1911 MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912 Mb - Espin, T.E. 1912MNRAS..72..191E
Es_1912 MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913 Mb j Espin, T.E. 1913MNRAS..73..162E
Es_1913 MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914 Mb j Espin, T.E. 1914MNRAS..74..244E
Es_1914 MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a Mb - Espin, T.E. 1915MNRAS..75..203E
Es_1915a MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b Mb - Espin, T.E. 1915MNRAS..75..555E
Es_1915b MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c Mb - Espin, T.E. 1915MNRAS..76..210E
Es_1915c MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917 Mb - Espin, T.E. 1917MNRAS..77..236E
Es_1917 MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918 Mb j Espin, T.E. 1918MNRAS..78..189E
Es_1918 MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919 Mb - Espin, T.E. 1919MNRAS..79..211E
Es_1919 MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920 Mb - Espin, T.E. 1920MNRAS..80..329E
Es_1920 MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921 Mb j Espin, T.E. 1921MNRAS..81..232E
Es_1921 MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922 Mb - Espin, T.E. 1922MNRAS..82..187E
Es_1922 MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923 Mb - Espin, T.E. 1923MNRAS..83..154E
Es_1923 MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924 Mb - Espin, T.E. 1924MNRAS..84..162E
Es_1924 MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a Mb - Espin, T.E. 1925MNRAS..85..276E
Es_1925a MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b Mb - Espin, T.E. 1925MNRAS..86...79E
Es_1925b MNRAS 86, 79, 1925
Es_1926 Mb - Espin, T.E. 1926MNRAS..86..131E
Es_1926 MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927 Mb - Espin, T.E. 1927MNRAS..87..215E
Es_1927 MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928 Mb - Espin, T.E. 1928MNRAS..88..185E
Es_1928 MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929 Mb - Espin, T.E. 1929MNRAS..89..268E
Es_1929 MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930 Mb - Espin, T.E. 1930MNRAS..90..317E
Es_1930 MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931 Mb - Espin, T.E. 1931MNRAS..91..294E
Es_1931 MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a Mb - Espin, T.E. 1932MNRAS..92..214E
Es_1932a MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B Mb - Espin, T.E. 1932QB821.A43......
Es_1932B cited in ADS (Aitken Double Star Cat.), 1932
Es_1933 Mb - Espin, T.E. 1933MNRAS..93..192E
Es_1933 MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A Mb - Espin, T.E. 1937AnLei..18....1S
Es_1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20282+2901 ES 504 AB 2004 4 86 5.9 11.10 12.10 F5 D 202815.33+290124.0
20282+2901 ES 504 AB 2010 6 87 5.4 11.10 12.10 F5 202815.33+290124.0
20282+2901 ES 504 AB 2015 9 88 5.9 11.10 12.10 F5 202815.33+290124.0

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20282+2901 ES 504 AB (HD 334487) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20282+2901 ES 504 AB (HD 334487) : MEASURES
 
 
No records found.

 
 
WDS 20282+2901 (HD 334487) : VIRTUAL EYEPIECE
 
 

20282+2901 ES 504A mag 11.1 Sp F5 20282+2901 TDT2308Ab sep 0.6 P.A. 345.30 mag 11.84 20282+2901 ES 504B sep 5.2 P.A. 87.00 mag 12.1 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20282+2901 (HD 334487) : ALADIN DSS IMAGE @ 20h 28m 15.33s +29° 01' 24.0"
 
 
 
 
WDS 20282+2901 ES 504 AB (HD 334487) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20282+2901 ES 504AB distance=0' 20290+2852 TDT2317 distance=14' 20270+2902 TDT2283 distance=17' 20266+2858 TDT2275 distance=22' 20287+2924 MLB 532 distance=23' 20261+2910 MLB 479 distance=30' 20297+2837 MLB1088 distance=32' 20266+2831 TDT2276 distance=38' 20264+2832 TDT2269 distance=39' 20312+2855 ES 506 distance=40' 20281+2819 MLB 662 distance=43' 20273+2820 MLB 774BC distance=43' 20273+2820 MLB 774AB distance=44' 20307+2826 GRV 347 distance=48' 20320+2915 GRV 349 distance=52' 20316+2929 MLB 571 distance=53' 20242+2900 BU 443AB distance=54' 20242+2900 BU 443AC distance=54' 20242+2900 BU 443AD distance=54' 20244+2923 HO 457AB distance=56' 20244+2923 HO 457AC distance=56' 20291+2956 AG 406 distance=57' 20327+2903 ARY 47AB distance=59' 20276+2803 AG 405 distance=59' 20327+2903 ARY 27BC distance=61' 20327+2903 ARY 27BD distance=61' 20268+2804 A 393 distance=61' 20284+2800 TDT2311 distance=62' 20331+2852 ES 507DS distance=64' 20331+2852 ES 507AB distance=64' 20331+2852 ES 507AC distance=64' 20331+2852 ES 507AD distance=64' 20331+2852 FYM 137AE distance=64' 20331+2852 FYM 137AF distance=64' 20331+2852 FYM 137AG distance=64' 20240+2935 TDT2237 distance=65' 20325+2934 TDT2347 distance=65' 20284+3007 OL 75 distance=67' 20241+2823 AG 404 distance=67' 20280+3008 BU 62AB distance=67' 20280+3008 BU 62AC distance=67' 20280+3008 BU 62AD distance=67' 20328+2936 TDT2357 distance=69' 20333+2824 NSN 734 distance=76' 20227+2837 COU1169AB distance=78' 20227+2837 COU1169AC distance=78' 20242+2958 HDS2916Aa,Ab distance=78' 20242+2958 FMR 87AB distance=78' 20242+2958 FMR 87AC distance=78' 20227+2930 TDT2218 distance=78' 20339+2923 MLB 481 distance=79' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20282+2901 TDT2308 Aa,Ab 343 0.6
Show 20282+2901 ES 504 AB 87 5.9
Show 20290+2852 TDT2317 323 0.5 14
Show 20270+2902 TDT2283 355 0.4 17
Show 20266+2858 TDT2275 87 0.4 22
Show 20287+2924 MLB 532 351 8.9 23
Show 20261+2910 MLB 479 141 6.4 30
Show 20297+2837 MLB1088 334 9.5 32
Show 20266+2831 TDT2276 316 0.7 38
Show 20264+2832 TDT2269 332 0.4 39
Show 20312+2855 ES 506 304 5.9 40
Show 20281+2819 MLB 662 42 3.4 43
Show 20273+2820 MLB 774 BC 279 4.3 43
Show 20273+2820 MLB 774 AB 63 44.1 44
Show 20307+2826 GRV 347 8 22.4 48
Show 20320+2915 GRV 349 42 33.2 52
Show 20316+2929 MLB 571 261 3.4 53
Show 20242+2900 BU 443 AB 151 16.7 54
Show 20242+2900 BU 443 AC 97 33.6 54
Show 20242+2900 BU 443 AD 139 31.6 54
Show 20244+2923 HO 457 AB 61 2.0 56
Show 20244+2923 HO 457 AC 268 28.0 56
Show 20291+2956 AG 406 333 8.5 57
Show 20327+2903 ARY 47 AB 108 128.1 59
Show 20276+2803 AG 405 70 23.3 59
Show 20327+2903 ARY 27 BC 50 35.3 61
Show 20327+2903 ARY 27 BD 178 90.0 61
Show 20268+2804 A 393 217 0.5 61
Show 20284+2800 TDT2311 97 1.5 62
Show 20331+2852 ES 507 DS 146 16.0 64
Show 20331+2852 ES 507 AB 295 7.1 64
Show 20331+2852 ES 507 AC 346 36.4 64
Show 20331+2852 ES 507 AD 224 36.8 64
Show 20331+2852 FYM 137 AE 101 42.6 64
Show 20331+2852 FYM 137 AF 176 23.3 64
Show 20331+2852 FYM 137 AG 299 32.9 64
Show 20240+2935 TDT2237 155 0.8 65
Show 20325+2934 TDT2347 309 0.4 65
Show 20284+3007 OL 75 136 1.8 67
Show 20241+2823 AG 404 247 34.4 67
Show 20280+3008 BU 62 AB 133 1.2 67
Show 20280+3008 BU 62 AC 179 38.2 67
Show 20280+3008 BU 62 AD 267 46.1 67
Show 20328+2936 TDT2357 29 0.5 69
Show 20333+2824 NSN 734 94 10.0 76
Show 20227+2837 COU1169 AB 59 0.3 78
Show 20227+2837 COU1169 AC 175 1.7 78
Show 20242+2958 HDS2916 Aa,Ab 223 0.2 78
Show 20242+2958 FMR 87 AB 50 1.4 78
Show 20242+2958 FMR 87 AC 117 7.8 78
Show 20227+2930 TDT2218 292 0.4 78

 
 
WDS 20282+2901 : COMPONENTS
 
 
  A Ab
Ab pa=345.3°
sep=0.56"
 
B pa=87.0°
sep=5.16"
pa=93.0°
sep=5.30"
 
 
20282+2901 A
 
 
Name HD 334487 Coord arcsec 2000 202815.33+290124.0 Mag 11.1 Spectral class F5 (yellow-white)
PmRA 0.00 PmDE -1.0 Tycho2 2168-00889-1 HD 334487
Tycho2
Tycho2 2168-00889-1 Pflag RAmdeg 307.06386882 DEmdeg 29.02341139
PmRA 0.3 PmDE -1.7 E RAmdeg 35 E DEmdeg 28
E pmRA 2.2 E pmDE 2.2 EpRAm 1989.19 EpDEm 1990.18
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.4 Q pmRA 0.3
Q pmDE 0.4 BTmag 11.775 E BTmag 0.050 VTmag 11.105
E VTmag 0.049 Prox 999 TYC T HIP
CCDM RAdeg 307.06386833 DEdeg 29.02341528 EpRA 1990 1.74
EpDE 1990 1.89 E RAdeg 35.4 E DEdeg 27.8 Posflg
Corr 0.3
 
 
20282+2901 Ab
 
 
Coord arcsec 2000 202815.32+290124.5 Mag 11.84 PmRA 0.00 PmDE -2.0
Calc delta mag 0.06 Calc coord yes
 
 
20282+2901 B
 
 
Coord arcsec 2000 202815.72+290124.3 Mag 12.1 PmRA 31.00 PmDE -3.0
Calc delta mag 0.32 Calc coord yes